/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.runners.core;



import com.bff.gaia.unified.runners.core.TimerInternals.TimerData;

import com.bff.gaia.unified.sdk.util.WindowedValue;



/**

 * Interface that contains all the timers and elements associated with a specific work item.

 *

 * @param <K> the key type

 * @param <ElemT> the element type

 */

public interface KeyedWorkItem<K, ElemT> {

  /** Returns the key. */

  K key();



  /** Returns an iterable containing the timers. */

  Iterable<TimerData> timersIterable();



  /** Returns an iterable containing the elements. */

  Iterable<WindowedValue<ElemT>> elementsIterable();

}